A BURMA NO HEAT RUBY AND DIAMOND DRESS RING set with an oval cut ruby of 1.63 carats within a border

A BURMA NO HEAT RUBY AND DIAMOND DRESS RING in 18ct white gold, set with a cushion cut ruby of 1.02 carats and a cushion cut diamond, within concentric borders of round cut diamonds and round cut rubi

A BURMA NO HEAT RUBY AND DIAMOND DRESS RING set with a cushion cut ruby of 1.20 carats, within a bombe style mount set allover with rose cut diamonds, unmarked, size K / 5.25, 6.1g. The gemological pr

A BURMA NO HEAT RUBY AND DIAMOND CLUSTER RING in 18ct white gold, set with an oval cut ruby of 0.87 carats in a cluster of round brilliant cut diamonds totalling 1.04 carats, stamped 18CT, size N / 6.

AN UNHEATED RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with an oval cut ruby of 1.42 carats within a border of round cut diamonds, stamped 18ct & Plat, size M / 6, 2.5g. Accom

A PAIR OF PIGEON'S BLOOD BURMA NO HEAT RUBY AND DIAMOND EARRINGS each set with a cushion cut ruby of 2.46 carats and 2.67 carats, within scrolling borders of round cut diamonds, and easy suspending fi

A RUBY AND DIAMOND RING in platinum, set with an oval cut ruby of 0.77 carats, accented by French cut rubies within an openwork border set with single cut diamonds, with further diamonds set to the ta

NO RESERVE - A BURMA NO HEAT RUBY AND DIAMOND CLUSTER RING set with a round cabochon ruby of 7.26 carats in a border of marquise cut diamonds totalling 0.8-1.0 carats, stamped 7.26, size M / 6, 8.3g.

A TANZANITE, RUBY AND DIAMOND RING in 18ct white gold, set with an oval cabochon tanzanite of 20.78 carats, within a border of round cut diamonds, accented by round cut rubies to the shoulders, stampe

Art Deco Platinum Ring set with an Oval Natural Cabochon Burma Ruby No Heat weighing 4.0 carats. Along with Baguette and Single cut Diamonds weighing Approx. 0.90 carats. Top measurements: 0.75 x 0.65

NO RESERVE - AN UNHEATED RUBY AND DIAMOND RING set with a central round cut ruby of 2.32 carats, within a border of round brilliant cut diamonds, to a bifurcated band, no assay marks, size R / 8.5, 5.

A RUBY AND DIAMOND DRESS RING, 1931 in 18ct yellow gold, set with two round cut rubies within borders of single cut diamonds, full British hallmarks for London 1931, size O / 7, 3.8g.

A RUBY AND DIAMOND CLUSTER DRESS RING in 18ct yellow gold, set with a round cut ruby within a border of round brilliant cut diamonds, full British hallmarks, size L1/2 / 6, 2.7g.

A RUBY, SAPPHIRE AND DIAMOND DRESS RING in yellow gold, set with a triangular cut ruby and blue sapphire, within borders of round cut diamonds, no assay marks, size U / 10, 10.6g.

A CEYLON NO HEAT SAPPHIRE AND DIAMOND DRESS RING set with a cushion cut blue sapphire of 4.10 carats, within a rectangular border set with old cut and baguette cut diamonds, the diamonds all totalling

A RUBY AND DIAMOND CLUSTER RING in 18ct yellow gold, set with a central oval cut ruby of 1.19 carats within a cluster of round brilliant cut diamonds, stamped 18K, size M / 6.25, 5.6g.

A RUBY AND DIAMOND REVERSIBLE DOUBLE RING the hinged band reversible to show two different sides of the head of the ring, one set with an oval cut ruby within a border of brilliant cut diamonds, the o

A BURMA NO HEAT SAPPHIRE AND DIAMOND RING set with a cushion cut blue sapphire of 4.18 carats, within a graduated border of old cut and round cut diamonds, no assay marks, size N / 6.75, 4.0g. Accompa

A RUBY, SAPPHIRE AND DIAMOND SWEETHEART RING in 18ct yellow gold and silver, the double heart motif set with oval cut sapphire and ruby within a border of diamonds, below a diamond jewelled bow, full

RUBY, DIAMOND AND ENAMEL RING in high carat yellow gold and silver, set with an oval cut ruby of 0.70 carats within a navette face jewelled with diamonds and white enamel, unmarked, size M / 6.5, 5.4g

AN UNHEATED VIOLET SAPPHIRE AND DIAMOND DRESS RING in 18ct white gold, set with a central oval cut violet sapphire of 2.02 carats, within a navette border set with clusters of marquise and round brill

AN ANTIQUE RUBY AND DIAMOND RING in yellow gold, the navette face set with an oval cut ruby of 0.52 carats in a border of rose cut diamonds, no assay marks, size N / 6.5, 3.7g.

RUBY AND DIAMOND CLUSTER RING, MID 20TH CENTURY The oval-cut ruby, weighing 2.51 carats, within a surround of brilliant-cut diamonds, between baguette-cut diamond-set shoulders, ring size N Footnotes:

A 9 CARAT GOLD RUBY AND DIAMOND CLUSTER RING, an oval-cut ruby within a rectangular border of eight-cut diamonds and round-cut rubies. Hallmarked Sheffield 2002, ring size K1/2, 4.2 grams; and AN ONYX

White Gold, Ruby, and Diamond Ringcentering on an oval cut ruby weighing approximately .66 carat prong set within a square surround set with full cut round and baguette cut diamonds and with full cut